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Liam Payne Misses Son Bear's First Birthday Amid Relationship Trouble With Cheryl Cole

But the singer did share a rare photo of the baby in honor of the big day.

Things between Liam Payne and his girlfriend of two years, Cheryl Cole, have been rocky lately due to Liam’s constant traveling for work. And now things have gotten worse, when the singer missed his own son’s birthday and left his 34-year-old girlfriend at home to take care of the baby alone — again! The ex One Direction member was spotted jetting out of London today for a performance in Japan, and an exclusive witness dished to OK! that he seemed “glum” and “in a bad mood.” Click through for the details.

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